Adjustable auxiliary seat or similar article



FIG. 1 is a side view of my adjustable auxiliary seat or similar article;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a view of the other side thereof;

FIG. 5 is a front view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for an adjustable auxiliary seat or similar article, as shown. 